src/jdk.jfr/share/classes/jdk/jfr/internal/instrument/SocketInputStreamInstrumentor.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/instrument/SocketInputStreamInstrumentor.java Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package jdk.jfr.internal.instrument;
+
+import java.io.IOException;
+import java.net.InetAddress;
+
+import jdk.jfr.events.SocketReadEvent;
+
+/**
+ * See {@link JITracer} for an explanation of this code.
+ */
+@JIInstrumentationTarget("java.net.SocketInputStream")
+@JITypeMapping(from = "jdk.jfr.internal.instrument.SocketInputStreamInstrumentor$AbstractPlainSocketImpl",
+ to = "java.net.AbstractPlainSocketImpl")
+final class SocketInputStreamInstrumentor {
+
+ private SocketInputStreamInstrumentor() {
+ }
+
+ @SuppressWarnings("deprecation")
+ @JIInstrumentationMethod
+ int read(byte b[], int off, int length, int timeout) throws IOException {
+ SocketReadEvent event = SocketReadEvent.EVENT.get();
+ if (!event.isEnabled()) {
+ return read(b, off, length, timeout);
+ }
+ int bytesRead = 0;
+ try {
+ event.begin();
+ bytesRead = read(b, off, length, timeout);
+ } finally {
+ event.end();
+ if (event.shouldCommit()) {
+ String hostString = impl.address.toString();
+ int delimiterIndex = hostString.lastIndexOf('/');
+
+ event.host = hostString.substring(0, delimiterIndex);
+ event.address = hostString.substring(delimiterIndex + 1);
+ event.port = impl.port;
+ if (bytesRead < 0) {
+ event.endOfStream = true;
+ } else {
+ event.bytesRead = bytesRead;
+ }
+ event.timeout = timeout;
+
+ event.commit();
+ event.reset();
+ }
+ }
+ return bytesRead;
+ }
+
+ private AbstractPlainSocketImpl impl = null;
+
+ void silenceFindBugsUnwrittenField(InetAddress dummy) {
+ impl.address = dummy;
+ }
+
+ static class AbstractPlainSocketImpl {
+ InetAddress address;
+ int port;
+ }
+}